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💰 Financial · Rex's Toolbox

Amortization Calculator

See how much of each payment goes to principal vs. interest.

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Rex says

Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.

Try a scenario

Click to load — tweak from there.

Inputs

Result

Monthly payment

$1,580.17

Remaining balance

$234,027

Interest paid so far

$78,838

Principal paid so far

$15,973

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One click, a permanent link with your numbers baked in.

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How to use this

  1. 1Enter loan amount ($).
  2. 2Enter interest rate (%).
  3. 3Enter loan term (years).
  4. 4Enter show balance after (years) (years).
  5. 5Read your monthly payment on the right — it updates as you type.
  6. 6Hit Share to keep the scenario or send it to someone.

About this calculator

Break down a fixed-rate loan into total interest paid and balance after a given number of payments.

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